Elster Instromet 6 Series User manual

73023465_A_EN
i 2016-02-09
Doc: 10000050186

Page 2 of 38
Safety Instructions
UFM Series 6
Elster GmbH
Steinern Strasse 19-21
D - 55252 Mainz-Kastel, Germany
Tel.:
[phone]
Fax:
[phone]
E-Mail:
[email protected]

UFM Series 6
Safety Instructions
Page 3 of 38
Contents
1General Information 5
1.1 About these Instructions 5
1.2 Limitation of Liability 5
2Text Labelling 7
2.1.1 Presentation of Safety and Risk Instructions 7
2.1.2 Paragraph Formats 8
2.1.3 Character Formats 8
3Application and Operation 9
3.1 System 9
3.2 SPU 11
3.2.1 SPU - Special Conditions for Safe Use 11
3.2.2 SPU –Label 11
3.3 Hazardous Situations 15
3.4 Storage and Transportation 15
4Installation 16
4.1 General 16
4.2 Wiring 16
4.3 System Specifications 18
4.3.1 DSL / Network Connections (TB2 & J4) 20
4.3.2 Outputs / Communication (TB3) 20
4.4 Field Terminal Board 21
4.5 Transducer Connections 21
4.6 Pressure Connection 22
4.7 Maintenance 22

Contents
Page 4 of 38
Safety Instructions
UFM Series 6
5Electrical Parameters 23
6Index 25
Appendix I –References 26
Annex A - Control Drawing (FM) 29
Annex B - Control Drawing (CSA) 31
Annex C - Safety Prescriptions 33

1
General Information
UFM Series 6
Safety Instructions
Page 5 of 38
1 General Information
1.1 About these Instructions
This manual contains safety instructions for installation, operation, and
maintenance of the Ultrasonic Flow Meter (UFM) Series 6, models
Q.Sonicatom, Q.Sonicplus, CheckSonic, Vx.Sonic and FlareSonic. In addition
to providing essential information for proper operation and maintenance of
the product, this manual offers important instructions to prevent accidents
and serious damage in all stages of the product’s lifespan; pre-
commissioning, daily operations, and trouble-free maintenance. Before using
any of the products please read this manual carefully, familiarise yourself
with the operation of the product, and strictly follow the instructions.
If you have any questions, or need further details on specific matters
concerning this product, please do not hesitate to contact one of our staff
members by email at [e-mail] (or see more
contact information on page 2).
This document only contains safety information for an Elster Series 6 UFM.
For general information, please refer to the Operation and Maintenance
Manual for your particular flow meter (latest valid revision). Please also
consider reading the following Series 6 UFM information: Wiring Instructions,
Shipping and Storage, and Modbus Protocol. These documents are
available online at http://www.docuthek.com/.
Please also refer to Appendix I –References for a complete list of
reference materials.
1.2 Limitation of Liability
This manual is based on the latest information available. It is provided
subject to alterations. We reserve the right to change the construction and/or
configuration of our products at any time without obligation to update
previously shipped equipment.

General Information
1
Page 6 of 38
Safety Instructions
UFM Series 6
The warranty provisions stipulated in the manufacturer's Terms of Delivery
are applicable to the product. The manufacturer shall have no obligation in
the event that:
Repair or replacement of equipment or parts is required through
normal wear and tear, or by necessity in whole or part by
catastrophe, or the fault or negligence of the purchaser;
The equipment, or parts, have been maintained or repaired by
someone other than an authorized representative of the
manufacturer, or have been modified in any manner without prior
express written permission of the manufacturer;
Non-original parts are used;
Equipment is used improperly, incorrectly, carelessly or not in line
with its nature and/or purpose;
Use of this product with unauthorized equipment or peripherals,
including, but not necessarily limited to, cables, testing equipment,
computers, voltage, etc.
The manufacturer is not responsible for the incidental or consequential
damages resulting from the breach of any express or implied warranties,
including damage to property, and to the extent permitted by law, damage
for personal injury.
We reserve the right to make technical changes within the scope of im-
proving performance characteristics and continuous development of the
device.
Current warranty conditions in the General Terms and Conditions are
available on our website:
http://www.elster-instromet.com/en/general-terms-of-business
Read through these Safety Instructions carefully before beginning
any work.
The manufacturer assumes no liability for loss and malfunctions
that result from non-compliance with these instructions.

2
Text Labelling
UFM Series 6
Safety Instructions
Page 7 of 38
2 Text Labelling
This manual employs consistent visual cues and standard text formats to
help you easily locate and interpret information. This information will help
you quickly identify relevant content.
2.1.1 Presentation of Safety and Risk Instructions
Hazard Warnings
Hazard warnings indicate hazardous situations which may result in material
damage and bodily harm or even death if disregarded. Hazard warnings are
described below:
Safety Instructions
Safety instructions include notes and information which if disregarded may
lead to functions not working correctly or not working at all. Safety
instructions are described below:
Tips and Recommendations
Tips include notes and information that make it easier for the user. Tips are
described below:
Heading (optional)
Hint text
DANGER WORD!
Type of danger / consequences in case of non-compliance
Avoiding danger
Safety instruction (optional)
Safety instruction text

Text Labelling
2
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Safety Instructions
UFM Series 6
2.1.2 Paragraph Formats
►This triangle prompts you for an action.
This character will show you the immediate result of your action.
Example
Multi-row examples are marked by two continuous blue lines and the
keyword “Example”.
2.1.3 Character Formats
Example
Use
See Chapter 3.3
Hazardous Situations
(p.15)
References to additional information are
marked with an arrow. If the arrow refers to
information within the document, these
references are formatted as hyperlinks in
blue font. You can go directly to the
corresponding section by clicking on the
blue text.
www.docuthek.com
links (Hyperlink)
Table 1: Character formats

3
Application and Operation
UFM Series 6
Safety Instructions
Page 9 of 38
3 Application and Operation
3.1 System
The ultrasonic flow meter comprises of the following main parts as listed
below and seen in Figure 3-1. The flow cell (in yellow) is the part of the
ultrasonic flow meter that is mounted in the piping system. All other
components are mounted on the flow cell.
Figure 3-1: Example of an Elster Ultrasonic Gas Flow Meter
SPU label
(rear side)
SPU
Temperature
Sensor
(rear side)
Main Type
Plate
Ultrasonic
Transducer
s
Flow Cell
Pressure
Connection
Pressure
Sensor

Application and Operation
3
Page 10 of 38
Safety Instructions
UFM Series 6
Flow Meter components:
The Signal Processing Unit (SPU) –houses the flow meter
electronics.
Two Ultrasonic Transducers per flow measurement path.
The spoolpiece (Flow Cell) designed for gas flow measurement.
An optional Pressure Sensor.
An optional Temperature Sensor.
pm(or pr) Pressure Connection (for flow pressure); one or two
(provided with adapter piece).
The SPU Label (see subsequent sections)
The Main Type Plate
The ultrasonic flow meter is to be operated on the local display or by “remote
control”, for example, by means of a PC with the SonicExplorer software, as
part of your specific flow meter.
Caution!
The ultrasonic flow meter is intended for flow measurement as
indicated on the SPU label and the flow meter (main) type plate.
Never exceed any limitations for use!
Tip!
This document provides essential details for safe installation and
maintenance of the ultrasonic flow meter, including a non-
exhaustive list of safety prescriptions provided in Annex C –
Safety Prescriptions (p. 33).
It is also required to read and understand all other documentation
of your flow meter; please see the reference list Appendix I –
References at the back of this manual. Alternatively, most
documents are available online at http://www.docuthek.com/.

3
Application and Operation
UFM Series 6
Safety Instructions
Page 11 of 38
3.2 SPU
The Signal Processing Unit (SPU) houses the flow meter electronics and
comprises the following user interfaces:
SPU label (see the following paragraphs)
Electrical user connections (see Chapter 4 Installation and
Chapter 5 Electrical Parameters)
Local display (see the Operation and Maintenance manual of your
particular flow meter, latest valid version)
3.2.1 SPU - Special Conditions for Safe Use
Contact the manufacturer for information on the dimensions of the
flameproof joints.
The enclosure is provided with special fasteners of property class A2-70.
These special fasteners are only available from Elster.
For FM approved products refer to Annex A –Control Drawing (FM) for
particular requirements.
3.2.2 SPU –Label
The ultrasonic flow meter is available with approval for use in hazardous
areas according to ATEX, IECEx, FM Approval, or CSA. Always refer to the
actual label information on your flow meter as well as this manual for correct
use.
Each SPU label comprises:
Our company name and address
Type of ultrasonic flow meter
Model SPU
Serial number
Power: 18-30 VDC / 20Wmax
Year-Month
Warning: Read instruction manual before operating device

Application and Operation
3
Page 12 of 38
Safety Instructions
UFM Series 6
Additional label information depending on the applicable approval
(see following label examples)
Please see below for an explanation of each label type using an Ultrasonic
Flow Meter Series 6 Q.SonicPlus model as an example.
ATEX Certification
The explosion proof housing has the following ATEX certification
information:
Classification: Ex II 2 G Ex d ia [ia] IIB+H2 T6 Gb IP66
-50 °C ≤Tamb ≤+60 °C
ATEX markings: II 2 G 0044
o0044 is the Notified Body number of DEKRA
Certification B.V.
ATEX certificate reference: DEKRA 11ATEX0170 X
Warning: Read instruction manual before operating device
Figure 3-2: Example of an ATEX Label
IECEx Certification
The explosion proof housing has following IECEx certification information:
Classification: Ex d ia [ia] IIB+H2 T6 Gb IP66
-40 °C ≤ Tamb ≤ +60 °C
IECEx certificate reference: IECEx DEK11.0062 X
Warning: Read instruction manual before operating device

3
Application and Operation
UFM Series 6
Safety Instructions
Page 13 of 38
Figure 3-3: Example of an IECEx Label
FM Certification
The explosion proof housing has the following FM certification information:
Explosion proof for Class I, Division 1, Group A, B, C and D
Intrinsically safe for Class I, Division 1, Group A, B, C and D
Ta = -40 °F to 140 °F (-40 °C to +60 °C), T6
Type 4X
“FM approved” mark
Installation requirement: Seal fitting required within 1.5 inches of
enclosure
Warning: Read Instruction Manual (Control Drawing:
03.304.001.003.05/2) before operating device. A copy of the control
drawing is available in Annex A –Control Drawing (FM) (p.29).
Figure 3-4: Example of an FM Label

Application and Operation
3
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Safety Instructions
UFM Series 6
CSA Certification
The explosion proof housing has the following CSA certification information:
Explosion proof for Class I, Division 1, Group B, C and D T6
Ex d ia [ia] IIB + H2 T6
-50 °C < Tamb < +60 °C
Type 4X
IP66
CSA 13.70001043
Installation requirement: Seal all conduit within 1.50 inches in group
B & C
Warnings:
oSubstitution of components may impair intrinsic
safety.
oRead Instruction Manual (control drawing:
03.304.001.004.05/2) before operating device.
A copy of the control drawing is available in
Annex B –Control Drawing (CSA) (p.31)
WARNING!
Always refer to the label on the product itself for the correct
information for your particular product. Do not use or keep the
product outside of its specifications.
Figure 3-5: Example of a CSA Label

3
Application and Operation
UFM Series 6
Safety Instructions
Page 15 of 38
3.3 Hazardous Situations
Read the instruction manual before operating device.
Never open the explosion proof box with the electronics inside
when meter is energized.
Do not open the enclosure if explosive atmosphere may be present.
Use the ultrasonic flow meter only for its intended application.
Never use it outside of its intended application or limits.
It is not allowed to perform repair and maintenance activities on an
operating flow meter. The meter is pressurized and is used for
dangerous media. Removing / exchanging parts during operation
can cause severe harm or even death.
The meter can be used for media within a specified range.
Take care of proper grounding of the meter.
To prevent water entering the electronics enclosure, firmly tighten
the box when closing. Make sure O-rings on the covers are
correctly fitted and in good condition.
Take care that no dirt / particles are present on the gasket on the
back compartment before closing.
Also: Please see Annex C –Safety Prescriptions.
3.4 Storage and Transportation
The back and main compartments of the electronics enclosure may be
equipped with a silica gel bag in the explosion safe box. Before powering up,
take the silica gel bag out of its enclosure.
Always store or transport the meter with a silica gel bag in the back and main
compartments, to absorb excessive humidity. Replace the silica gel with a
fresh one before it is saturated. Check on a regular basis (e.g. monthly).

Installation
4
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Safety Instructions
UFM Series 6
WARNING!
Obey the rules and regulations that apply to hazardous area
operations and those with respect to custody transfer regulations
(sealing).
4 Installation
4.1 General
It is the user’s responsibility to ensure that the installation complies with
appropriate regulations, including those required by applicable certifications.
It is highly recommended to install the meter on a vibration free location.
Continuous vibration or shocks may have negative effects on the
construction of the flow meter.
More information on installation of the ultrasonic flow meter in the pipeline is
provided in the Operation and Maintenance manual of your particular flow
meter (latest valid revision).
This chapter provides information on the electrical user connections
available on the SPU (see Figure 3-1). For additional wiring information see
document: UFM Series 6 Wiring Instructions, listed in Appendix I –
References at the back of this manual.
4.2 Wiring
User connections are available in the back compartment of the SPU. The
transducers and optional pressure and temperature sensors are already
factory connected.
The electronics enclosure is provided with five M20 or ½” NPT size cable
gland entries available to the user, as seen in Figure 4-2.
Select and install the glands according to all applicable requirements, such
as those stated in:

4
Installation
UFM Series 6
Safety Instructions
Page 17 of 38
National and local regulations;
the SPU documentation (this manual, order specification stating the
type of entry holes) and on the SPU label;
the certificate and manual of the glands;
Specifications of the user wiring.
It is recommended to use suitable armoured shielded cable to provide
protection against mechanical damage and electrical interference.
Important!
Use a cable with suitable resistance, diameter, cores and length.
If your ultrasonic flow meter is FM approved (see the SPU label), these
special remarks are also applicable:
Installations shall comply with the relevant requirements of the
latest edition of the National Electrical Code (ANSI/NFPA 70).
Installations shall comply with the latest edition of the
manufacturer’s instruction manual.
For intrinsically safe installation in the United States of America,
electrical equipment connected to the Associated Apparatus shall
not use or generate more than 250 volts rms.
For guidance on installations in the United States of America, see
ANSI/ISA-RP12.06.01, Installation of Intrinsically Safe Systems for
Hazardous (Classified) Locations.
Tampering and replacement with non-factory components may
adversely affect the safe use of the system.
Seal fitting is required within 1.5 inches of enclosure.
Warning: See control drawing: 03.304.001.003.05/2 before
operating device. A copy of the control drawing is available in
Annex A –Control Drawing (FM) (p.29).

Installation
4
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Safety Instructions
UFM Series 6
WARNING!
Do not perform any modification of the products supplied.
The volume of the SPU enclosure to fit user glands is
less than 2 liters.
Unused gland entries must be fitted with suitable certified
stopping plugs.
Before use ensure unused entries contain suitable
certified plugs (and not temporary or transportation
plugs).
The connection between each gland or stopping plug
and the enclosure must comply with the NEMA or IP
class and the temperatures indicated on the SPU (e.g. by
using a suitable IP washer).
During transport and storage the electronics enclosure
back and main compartment may contain a bag of silica
gel to absorb excessive humidity. Remove the bags
before powering the SPU.
4.3 System Specifications
Power connection (TB1):
18 –30VDC, 20 Watt maximum. 24 V Nominal.
Cable max. 700m, max. 5 Ohm/wire
Built-in surge protection
Maximum cable core 2.5 mm2

4
Installation
UFM Series 6
Safety Instructions
Page 19 of 38
WARNING!
For compliance with EN-IEC 61010 (also harmonized under EU
Low Voltage directive 2006/95/EC) the SPU requires an external
power supply, limited-energy (< 30 Vdc max. 8A), and reinforced
insulation between input and output by the safety transformer and
appropriate distance between components on the PCB.
Do not open the rear compartment when device is energized.
The electronics requires a (preferably) 24VDC (nominal) power supply. A
combined power supply and communication cable between the electronics
enclosure and the external equipment can be used. For example; 2x2 wire
(min. Ø 0.5 mm) twisted-pair max. 700m, max. 5Ω/wire. Armoured shielded
cable is recommended to provide protection against mechanical damage
and electrical interference.
Cathodic Protection!
In case the ultrasonic flow meter body is connected to a cathodic
protection system, DO NOT CONNECT the ground of the external
power supply to the ground (GND) of the field terminal power
connection (TB1).

Installation
4
Page 20 of 38
Safety Instructions
UFM Series 6
4.3.1 DSL / Network Connections (TB2 & J4)
DSL Network / Ethernet connections
Power over Ethernet
Maximum cable core 1.5 mm2
4.3.2 Outputs / Communication (TB3)
Two configurable opto-coupler outputs, max 30VDC @ 12mA.
Two isolated passive/active 4...20mA analogue outputs, 16 bit
resolution.
Two opto-coupler outputs, max 30VDC @ 12mA (shared with
analogue outputs.)
Two RS232/RS485 (software configurable) ports:
oCable: 3 x 2 wire (min 0.5 mm2), shielded max. 15m,
max. 2,5 Ohm/wire
oProgrammable up to 38400 bps.
Maximum cable core 1.5 mm2
IS Inputs (optional) (TB4/TB5). For electrical parameters, refer to Chapter
4.4 Field Terminal Board (p.21)
Two isolated passive/active 4...20mA analogue inputs, 16 bit
resolution.
Maximum cable core 1.5 mm2